For example, make sure that your pod configuration features the nodeSelector
value indicating the desired label:

apiVersion: v1
kind: Pod
spec:
nodeSelector:
<key>: <value>
...

Modify the master configuration file, /etc/origin/master/master-config.yaml, to add nodeSelectorLabelBlacklist to the admissionConfig section with
the labels that are assigned to the node hosts you want to deny pod placement: